My 2003 Dodge Durango is choking/sputtering, ran it through the diagnostics machine

My 2003 Dodge Durango is choking/sputtering, ran it through the diagnostics machine and got codes: P0441, evap. emission, control system, incorrect purge flow and code P0308,Cyl. 8 miss fire. What does this mean, or how do I fix the choking. I am not that car savy, but I don't see how these would have antthing to do with it choking. It seems to me there is something wrong with the fuel pump, fuel line. The pure flow I don't know what that entails. Cylinder 8 miss fire, I was told should have not really a part in the choking.PLEASE HELP

4 Answers

Have you owned it since new? Have you ever had the "CATS" checked? (catalytic converters) They can build up a clog, and die. They mostly filter out crud from the engine, to keep the air quality clean. When they clog up, they can choke the engine, cause misfires and backfires; that firecracker "bang" that happens sometimes, as an engine tries to keep going. And there's loss of power, too. You might notice it yourself, sometimes, when you're sitting still in traffic, wondering what is causing that sulfur, hard-boiled egg, farty sort of smell. Get your "CATS" checked.

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